linux-kernel - Re: [PATCH 09/12] uswsusp: Disable when trusted

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Message-ID: <20140331144935.GB21805@xo-6d-61-c0.localdomain>
Date:	Mon, 31 Mar 2014 16:49:35 +0200
From:	Pavel Machek <pavel@....cz>
To:	Matthew Garrett <matthew.garrett@...ula.com>
Cc:	linux-kernel@...r.kernel.org, keescook@...omium.org,
	gregkh@...uxfoundation.org, hpa@...or.com,
	linux-efi@...r.kernel.org, jmorris@...ei.org,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH 09/12] uswsusp: Disable when trusted_kernel is true

On Wed 2014-02-26 15:11:10, Matthew Garrett wrote:
> uswsusp allows a user process to dump and then restore kernel state, which
> makes it possible to modify the running kernel. Disable this if
>  trusted_kernel is true.
> 
> Signed-off-by: Matthew Garrett <matthew.garrett@...ula.com>

It can also enter S3 etc...

And dumping the kernel state should not be a problem, right? Only restoring is....

									Pavel
-- 
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